We have updated to APEX 21.2 because an announced feature was Popup LOV Set Display Value with Dynamic Action. While for Popup LOVs with single values it's working, for multiple values it still does not. The Popup LOVs remains empty.
Also the Popup LOV with multiple values in Interactive Grids is not working. Instead of the value the IDs are displayed in the IG.
Do you have any suggestions on that ? Seems to me, the multiple values Popup LOVs are not fully supported yet ?